Patent SG-11201408005V-A (SG)
Title: Audio interface self-adaptation device
Inventor: LI DONGSHENG
IPC: H04R3/12
Filed: 2013-06-14
Abstract: (i2) (19) mm m ran=/ ..,_, (10) mwm* (43) gR^^H 2013 12 ^ 19 0 (19.12.2013) WIPO I PCT WO 2013/185592 A1 PCT/CN2013/077077 2013^6^14 0 (14.06.2013) (51) H04R 3/12 (2006.01) (21) (22) (25) Ifff: (26) (30) 201210200188.5 2012^6^14 0 (14.06.2012) CN (71) (TENDYRON CORPORATION) [CN/CN]; 38 ^ B ® 1810, Beijing 100083 (CN) = (72) ^HJA: (LI, Dongsheng); 1 1 1 l ;Mi;U E38 ^ B ® 1810, Beijing 100083 (CN) = (74) ftaA: (*« •n\" jk ) (TSINGYIHUA INTELLECTUAL PROP­ ERTY LLC); M|/j# 301 M, Beijing 100084 (CN) = (8i) P): AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IS, JP, KE, KG, KN, KP, KR, KZ, LA, LC, LK, LR, LS, LT, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZWo (84) P): ARIPO (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, SZ, TZ, UG, ZM, ZW), 3E (AM, AZ, BY, KG, KZ, RU, TJ, TM), (AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR), OAPI (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, KM, ML, MR, NE, SN, TD, TG) = - ^©a&^m^(^ii2i^(3))o (54) Title: AUDIO INTERFACE SELF-ADAPTATION DEVICE U (54)• § iSjSHS BB fcumi DD u 2 — B1 H VCC / A — B0L — SelMX3T.2267 GND ftUHJ3 | U / FIG. 1 CJ o\ oo i-H cn i-H o CJ O & TAT\" H R2b h FF tS-mTttBBtt AA AUDIO INTERFACE BB PIN CC FIRST SIGNAL PROCESSOR MODULE DD SECOND SIGNAL PROCESSOR MODULE EE FIRST LEVEL COMPARATOR MODULE FF SECOND LEVEL COMPARATOR MODULE GG SWITCH MODULE (57) Abstract: Provided in the present invention is an audio interface self-adaptation device comprising: an audio interface, where the audio interface comprises pin and pin 1 4, and where one between pin and pin 3 4 is a microphone pin of the audio interface while the other is a ground pin; also comprising: first and second level comparator modules, a PNP-type triode, power a supply out­ put end, and a switch module, where the switch module connects, on the basis of the highness/lowness of the level of a signal re - ceived by a signal input pin (Sel), one between a first input pin (B0L) and a second input pin (B1H) to the output pin of the switch module, where an audio pin is either pin and/or pin of 1 2 the audio interface, where the first pin is one between pin 3 and pin 4, and where the second pin is the other one between pin 3 and pin 4. The device of the present invention allows for implementation of automatic adaptation to audio signal transmission devices of different audio interfaces, and for successful detection via the audio sig - nal transmission devices when detecting the MIC pin of the audio interface. (57) mSI: WO 2013/185592 A11 lllll llllllll II llllll III lllll lllll III III III lllll lllll lllll lllll lllll llll llll lllllll llll llll «uim #ll-«uA3IJW BOL^P||- nmmmnmrnn&mn iMtW2 ; m-mm B.&M- tllPW ^S!l =